CN106849399B - Stator core, Stator and electrical machine - Google Patents
Stator core, Stator and electrical machine Download PDFInfo
- Publication number
- CN106849399B CN106849399B CN201611162764.6A CN201611162764A CN106849399B CN 106849399 B CN106849399 B CN 106849399B CN 201611162764 A CN201611162764 A CN 201611162764A CN 106849399 B CN106849399 B CN 106849399B
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- Prior art keywords
- stator
- tooth
- stator core
- tooth boot
- yoke
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/14—Stator cores with salient poles
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/18—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
- H02K1/185—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures to outer stators
Abstract
The invention discloses a kind of stator cores, Stator and electrical machine, stator core is located at the periphery of rotor, stator core includes circumferentially spaced multiple stator monomers along rotor, each stator monomer includes: yoke portion, and yoke portion is overrided to form by the yoke portion punching of multiple circumferentially extendings along rotor along the axial direction of rotor；Two main teeth portion, two main teeth portion are respectively engaged with the circumferential both ends in yoke portion, each main teeth portion is overrided to form by multiple vertical with the punching of yoke portion and along yoke portion the teeth portion punching radially extended, and the inner end of main teeth portion is equipped with the elongated portion that main teeth portion is protruded along the axially extending of yoke portion and at least one end；Tooth boot portion, tooth boot portion are overrided to form by multiple tooth boots punchings, and tooth boot portion is equipped with the closed slot axially through tooth boot portion along yoke portion, and elongated portion is installed in closed slot.Poly- magnetic energy power can be improved in stator core according to an embodiment of the present invention, reduces cost.
Description
Technical field
The present invention relates to technical field of motors, in particular to a kind of stator core, with the stator of the stator core
And the motor with the stator.
Background technique
Motor in the related technology, the punching in the yoke portion, teeth portion and tooth boots of stator, which is integrated, to be punched, therefore yoke
The size of portion, teeth portion and tooth boots on stator shaft orientation is consistent, or rotational frequency weaker for per surface area magnetic field is lower
Rotor for, for save stator material simultaneously improve its performance, need the size of yoke portion and teeth portion relatively thin and the area of tooth boots
Larger, but influenced by stator inner circle radius, the effect that tooth boot upper product is improved by increasing tooth boots width is limited, and if
Stator axis extends up tooth boots, and can lengthen the axial dimension of yoke portion and teeth portion, to increase the material consumption of iron core and winding, causes
Increased costs.
Summary of the invention
The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, the present invention mentions
A kind of stator core is gone out, the stator core can be improved poly- magnetic energy power, reduce cost.
The invention also provides a kind of stators with said stator iron core.
The invention also provides a kind of motors with said stator.
Stator core according to an embodiment of the present invention, the stator core are located at the periphery of rotor, the stator core packet
Include circumferentially spaced multiple stator monomers along the rotor, each stator monomer includes: yoke portion, the yoke portion by
The yoke portion punching of multiple circumferentially extendings along the rotor is overrided to form along the axial direction of the rotor；Two main teeth portion, two institutes
State the circumferential both ends that main teeth portion is respectively engaged with the yoke portion, each main teeth portion by multiple vertical with yoke portion punching and
The teeth portion punching radially extended along the yoke portion is overrided to form, and the axial direction that the inner end of the main teeth portion is equipped with along the yoke portion is prolonged
It stretches and elongated portion that at least the main teeth portion is protruded in one end；Tooth boot portion, the tooth boot portion are overrided to form by multiple tooth boots punchings, institute
Tooth boot portion is stated equipped with the closed slot axially through the tooth boot portion along the yoke portion, the elongated portion is installed on described silent
In slot.
Poly- magnetic energy power can be improved in stator core according to an embodiment of the present invention, reduces cost.
In addition, stator core according to the above embodiment of the present invention can also have the following additional technical features:
According to some embodiments of the present invention, the main teeth portion, the tooth boot portion are protruded in the both ends of the elongated portion respectively
It include: the first tooth boot portion, first tooth boot portion is overrided to form by multiple first tooth boots punchings vertical with the teeth portion punching,
First tooth boot portion is equipped with the first closed slot axially through first tooth boot portion along the yoke portion, the elongated portion
One end be installed in first closed slot；Second tooth boot portion, second tooth boot portion are hung down by multiple with the teeth portion punching
The second straight tooth boots punching is overrided to form, and second tooth boot portion is equipped with along the yoke portion axially through the second tooth boots
Second closed slot in portion, the other end of the elongated portion are installed in second closed slot.
According to some embodiments of the present invention, the elongated portion, which is equipped with, is located axially at described first in the yoke portion
Backstop boss between tooth boot portion and second tooth boot portion.
According to some embodiments of the present invention, the main teeth portion is equipped with card slot, and the yoke portion is installed in the card slot.
According to some embodiments of the present invention, the yoke portion be equipped in the circumferential direction in the yoke portion to the main tooth
The limiting slot that portion is limited, the main teeth portion are installed in the limiting slot.
According to some embodiments of the present invention, the limiting slot is located on the outer peripheral surface or inner peripheral surface in the yoke portion.
According to some embodiments of the present invention, the side surface towards the rotor of the tooth boot portion is formed as arcwall face
With the combination of wherein one or two in plane.
According to some embodiments of the present invention, the arcwall face includes at least one section of arc surface.
Optionally, at least two tooth boot portions are unequal along the axially extending length of the rotor.
According to some embodiments of the present invention, at least one of the yoke portion and the tooth boot portion pass through insulation system
It insulate with the main teeth portion.
Optionally, the insulation system is formed as isolating separator layer, and the isolating separator layer is formed as insulating film, insulated paint
Or insulating cement.
Optionally, the insulation system is formed as the injection molded layers that insulate.
According to some embodiments of the present invention, the main teeth portion and the elongated portion are integrated.
Stator according to an embodiment of the present invention, comprising: stator core according to an embodiment of the present invention；Stator winding, it is described
Stator winding is wound around at least one of the main teeth portion and the yoke portion.
Motor according to an embodiment of the present invention, comprising: rotor；Stator according to an embodiment of the present invention, the stator are located at
The periphery of the rotor.
According to some embodiments of the present invention, the number of pole-pairs of the rotor is identical as the quantity of the stator monomer.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Fig. 1 is electric machine structure schematic diagram according to an embodiment of the invention；
Fig. 2 is electric machine structure schematic diagram in accordance with another embodiment of the present invention；
Fig. 3 is the structural schematic diagram of stator according to an embodiment of the invention；
Fig. 4 is the structural schematic diagram of stator in accordance with another embodiment of the present invention；
Fig. 5 is the partial structure diagram of stator according to an embodiment of the invention；
Fig. 6 is the partial structure diagram of stator in accordance with another embodiment of the present invention；
Fig. 7 is the structural schematic diagram of the stator monomer of stator core according to an embodiment of the invention；
Fig. 8 is the structural schematic diagram in the yoke portion of stator core according to an embodiment of the present invention；
Fig. 9 is the main teeth portion of stator core according to an embodiment of the present invention and the assembling schematic diagram of tooth boot portion；
Figure 10 is the structural schematic diagram of the main teeth portion of stator core according to an embodiment of the present invention；
Figure 11 is the structural schematic diagram of the tooth boot portion of stator core according to an embodiment of the present invention；
Figure 12 is the side view of the tooth boot portion of stator core according to an embodiment of the present invention.
Appended drawing reference:
Motor 1；
Stator 10；Rotor 20；Stator core 101；Stator monomer 102；
Yoke portion 100；Limiting slot 110；
Main teeth portion 200；Elongated portion 210；Card slot 220；Backstop boss 213；
Tooth boot portion 300；First tooth boot portion 301；Second tooth boot portion 302；Closed slot 310；First closed slot 310a；Second closes
Mouth slot 310b；
Stator winding 400；
Insulation system 500.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings.Below with reference to
The embodiment of attached drawing description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention, ability
The those of ordinary skill in domain can make changes, modifications, alterations, and variations to the above described embodiments within the scope of the invention.
Motor and its stator according to an embodiment of the present invention are described in detail with reference to the accompanying drawing.
Referring to figs. 1 to shown in Figure 12, motor 1 according to an embodiment of the present invention may include rotor 10 and stator 20, stator 10
It is located at the periphery of rotor 20, rotor 20 is rotatably fitted in stator 10, wherein rotor 20 can turn for permanent magnet magnetic ring
Son.As shown in Figures 1 to 6, stator 10 may include stator core 101 and stator winding 400, and stator winding 400 can be wound around fixed
On sub- iron core 101.
Stator core 101 is located at the periphery of rotor 20, and stator core 101 may include two stator monomers 102, two stators
Monomer 102 being provided at circumferentially spaced along rotor 20.Preferably, two stator monomers 102 can be along the circumferential direction of rotor 20
It is evenly-spaced.That is, two stator monomers 102 can be oppositely arranged on the two sides of rotor 20.
It is understood that in the present invention, the quantity for the stator monomer 102 that stator core 101 is included is not limited to
Two, can with more than two, for example, three, four or be more than four etc., i.e., in the present invention, stator core 101 includes
Multiple stator monomers 102, multiple stator monomers 102 can be along the circumferentially spaced settings of rotor 20.
Each stator monomer 102 may include the main teeth portion 200 in 100, two, yoke portion and tooth boot portion 300, each stator monomer 102
It can be formed as the general U-shape being open towards rotor 20.Stator winding 400 can be wound around main teeth portion 200 and yoke portion 100 at least
On one.That is, can the only coiling stator winding 400 in main teeth portion 200, can also be only in yoke portion 100 around formulation
Sub- winding 400, the acceptable coiling stator winding 400 in main teeth portion 200 and yoke portion 100 simultaneously, to improve slot utilization rate.In reality
In the manufacture of border, the number of pole-pairs of rotor can be made identical as the quantity of stator monomer, to facilitate coiling, improve the performance of motor 1.
Axial direction of the yoke portion 100 by the punching of multiple yoke portions along rotor 20 is overrided to form, week of each yoke portion punching along rotor 20
To extension.Two main teeth portion 200 are respectively engaged with the circumferential both ends in yoke portion 100, and each main teeth portion 200 is folded by multiple teeth portion punchings
It presses, each teeth portion punching is vertical with the punching of yoke portion and radially extending along yoke portion.Tooth boot portion 300 is by multiple tooth boots punchings
It is overrided to form, the punching of tooth boots is vertically arranged with teeth portion punching, i.e. axial direction of the tooth boots punching along yoke portion 100 laminates.
The inner end (i.e. one end of adjacent rotor 20) of main teeth portion 200 is equipped with elongated portion 210, and elongated portion 210 can be along yoke portion 100
It is axially extending, and main teeth portion 200 is protruded at least one end of elongated portion 210.That is, being stretched in the axial direction in yoke portion 101
Long portion 210 can extend outwardly beyond main teeth portion 200 with one end, and main teeth portion 200 can also be extended outwardly beyond with both ends.These are convex
Structure can achieve the purpose for extending the poly- magnetic of tooth boots out, and in comparison, the poly- magnetic effect of structure of both ends protrusion is more preferable, and one end is stretched convex
Structure out can be used in axially mounted limited space.
Tooth boot portion 300 is equipped with closed slot 310, and closed slot 310 is along yoke portion 100 axially through tooth boot portion 300.Elongated portion
210 are installed in closed slot 310.Thus, it is possible to by the cooperation of elongated portion 210 and closed slot 310, realize tooth boot portion 300 and
The clamping of main teeth portion 200, is completely embedded, and intensity is high, and the consumptive material of tooth boot portion 300 is few, conducive to the promotion of motor performance.
Stator core 101 according to an embodiment of the present invention, yoke portion 100, main teeth portion 200 and tooth boot portion 300 are divided before clamping
It is not independent module, yoke portion 100 and main teeth portion 200 is mutually indepedent, main teeth portion 200 and tooth boot portion 300 are mutually indepedent, each section
It makes respectively, then mutually buckle is combined, and main teeth portion 200 is clamped with yoke portion 100, tooth boot portion 300 and main teeth portion 200
Clamping, can make the dimensional parameters of yoke portion 100, main teeth portion 200 and tooth boot portion 300 in 10 axial direction of stator mutually indepedent, convenient
Tooth boot portion 300 extends axial length and width, stronger using the poly- magnetic energy power of this structure and be able to achieve yoke relative to traditional structure
Portion 100 reduces iron core, reduces the total quality of motor 1, and the performance of motor 1 is adjusted in the case where guaranteeing cost.According to this hair
The motor 1 of bright embodiment has many advantages, such as to have excellent performance, is at low cost.
In some embodiments of the invention, as shown in Figures 1 to 12, master is protruded at the both ends of elongated portion 210 respectively
Teeth portion 200, tooth boot portion 300 include the first tooth boot portion 301 and the second tooth boot portion 302, and the first tooth boot portion 301 is by multiple first tooth boots
Punching is overrided to form, and the first tooth boots piece is vertical with teeth portion punching.Second tooth boot portion 302 laminated by multiple second tooth boots punchings and
At the second tooth boots punching is vertical with teeth portion punching.Optionally, the first tooth boots punching and the second tooth boots punching can be same punching
Piece, or different punchings can according to circumstances carry out flexible choice.
First tooth boot portion 301 is equipped with the first closed slot 310a axially through the first tooth boot portion 301 along yoke portion 100,
Second tooth boot portion 302 is equipped with the second closed slot 310b axially through the second tooth boot portion 302 along yoke portion 100.Elongated portion 210
One end be installed in the first closed slot 310a, the other end of elongated portion 210 is installed in the second closed slot 310b.As a result, may be used
It the first tooth boot portion 301 and the second tooth boot portion 302 are installed on the both ends of elongated portion 210 respectively, and is completely embedded, intensity, electricity
Machine performance further increases.
As shown in Figure 9 and Figure 10, it can be equipped in elongated portion 210 and be located axially at 301 He of the first tooth boot portion in yoke portion 100
Backstop boss 213 between second tooth boot portion 302.In other words, the first tooth boot portion 301 and the second tooth boot portion 302 are in yoke portion 100
Setting is spaced in axial direction, elongated portion 210 is equipped with the backstop boss 213 protruded radially inward in yoke portion 100, i.e. backstop is convex
Platform 213 is protruded from elongated portion 210 to rotor 20, to separate the first tooth boot portion 301 and the second tooth boot portion 302.Thus, it is possible to improve
The positional stability of first tooth boot portion 301 and the second tooth boot portion 302, and the poly- magnetic in end that rotor 20 can be improved reduce magnetic
Resistance, is directed into the magnetic field of rotor 20 more easily in stator 10.
Wherein, the diameter of backstop boss 213 and each of the first tooth boot portion 301 and the second tooth boot portion 302 in yoke portion 100
Upward drop can be not more than 3 millimeters, i.e., backstop boss 213 towards the surface of rotor 20, the direction of the first tooth boot portion 301
The distance radially of the surface of rotor 20 and the surface towards rotor 20 of the second tooth boot portion 302 in yoke portion 100 is less than or waits
In 3 millimeters, to guarantee preferably poly- magnetic energy power.
In the present invention, main teeth portion 200 and elongated portion 210 can manufacture to be formed respectively, then reassemble together, can also
To be integrally formed structure, i.e., main teeth portion 200 and elongated portion 210 are integrated.Stator core 101 not only can be improved as a result,
Integral strength and structural stability, and facilitate molding, be simple to manufacture, extra assembly parts and connection process can be saved,
Assembling is more convenient, it is easier to which industrialized production improves assembly efficiency and the service life of stator core 101.
According to some embodiments of the present invention, axially extending length not phase of at least two tooth boot portions 300 along rotor 20
Deng.It is more convenient for as a result, the starting of monophase machine.
In some specific examples of the invention, as shown in Figures 1 to 10, main teeth portion 200 is equipped with card slot 220, yoke portion
100 are installed in card slot 220, to realize the clamping of main teeth portion 200 and yoke portion 100 and easy to operate, connection jail can be improved
Solidity.As shown in Figure 9 and Figure 10, card slot 220 is formed as being located at the open slot of the side of main teeth portion 200, be more convenient as a result, into
Row assembly manipulation.
Advantageously, as shown in Figures 1 to 8, yoke portion 100 be equipped in the circumferential direction in yoke portion 100 to main teeth portion 200 into
The limiting slot 110 of row limit, main teeth portion 200 are installed in limiting slot 110, to prevent main teeth portion 200 from occurring relatively with yoke portion 100
Sliding, further increases connection effect.Optionally, limiting slot 110 can be located on the inner peripheral surface or outer peripheral surface in yoke portion 100.
According to some embodiments of the present invention, the side surface towards rotor 20 of tooth boot portion 300 be formed as arcwall face and
Wherein one or two combination in plane.In other words, tooth boot portion 300 in yoke portion 100 axially towards surface inwardly
Can with the combination of plane perhaps arcwall face or plane and arcwall face, Figure 11 and Figure 12 show tooth boot portion 300 towards rotor
20 surface is the example of arcwall face, is thus more convenient for adjusting the air gap between rotor 20, reduces magnetic field harmonics, reduces torque
Fluctuation, improves poly- magnetic effect.
Here, the arcwall face may include at least one section of arc surface, and arcwall face can be one section of arc surface, be also possible to more
The arc surface of Duan Xianglian, for example, the side surface towards rotor 20 of tooth boot portion 300 combined by nonconcentric(al) multiple arc surfaces and
At each harmonic content being more conducive to adjustment in air gap as a result, to optimize the noise and vibration of motor 1.
Referring to figs. 1 to shown in Fig. 6, according to some embodiments of the present invention, at least one in yoke portion 100 and tooth boot portion 300
It is a to be insulated by insulation system 500 and main teeth portion 200, in favor of improving the running frequency of motor, expand range of operation, reduces
Eddy-current loss.
For example, in some specific examples of the invention, insulation system 500 is formed as isolating separator layer, yoke portion 100 with
It is equipped with isolating separator layer at the junction of main teeth portion 200 and main teeth portion 200 and at least one in the junction of tooth boot portion 300, absolutely
Fate interlayer can separate yoke portion 100 and main teeth portion 200 and/or main teeth portion 200 and tooth boot portion 300, play preferable insulation effect
Fruit.Thus, it is possible to which the conduction for the current vortex that alternating magnetic field is formed when slowing down or motor 1 being blocked to run, reduces when motor 1 is run
Iron loss improves the alternative frequency of stator 10, to be suitable for high-frequency occasion.
Optionally, isolating separator layer can be that the insulating film being encased inside, the insulated paint of spraying, insulating cement etc. have insulating effect
Medium.The insulated paint of spraying using spraying or the modes such as can brush and be arranged, and insulating cement can be arranged using coating mode, can be with
Flexible operating is carried out as the case may be.
For another example insulation system 500 is formed as insulation injection molded layers in other specific examples of the invention.Specifically
It is coated at ground, yoke portion 100 and the junction of main teeth portion 200 and main teeth portion 200 and at least one in the junction of tooth boot portion 300
Insulate injection molded layers, it is preferable that insulation injection molded layers can coat be made of yoke portion 100, main teeth portion 200 and tooth boot portion 300 it is entire
Thus stator core can also be improved the mechanical strength of stator 10, be conducive to the noise and vibration performance that improve motor 1.
Other of motor 1 according to an embodiment of the present invention are constituted and are operated for those of ordinary skill in the art
Be it is known, be not described in detail herein.
In the description of the present invention, it is to be understood that, term " length ", "upper", "lower", "front", "rear", "inner",
The orientation or positional relationship of the instructions such as "outside", " axial direction ", " radial direction ", " circumferential direction " is that orientation based on the figure or position are closed
System, is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must have
Specific orientation is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
In the description of the present invention, the meaning of " plurality " is at least two, such as two, three etc., unless otherwise clear
It is specific to limit.In the present invention unless specifically defined or limited otherwise, fisrt feature can be in second feature "upper"
One and second feature directly contacts or the first and second features are by intermediary mediate contact.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected or can communicate each other；It can be directly connected, can also indirectly connected through an intermediary, it can be with
It is the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly.For this field
For those of ordinary skill, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the description of this specification, the description of reference term " embodiment " or " specific example " etc. means to combine the implementation
Example or example particular features, structures, materials, or characteristics described are included at least one embodiment or example of the invention.
In the present specification, the schematic representation of the above terms does not necessarily have to refer to the same embodiment or example.Moreover, description
Particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more of the embodiments or examples.
In addition, without conflicting with each other, those skilled in the art can by different embodiments described in this specification or
The feature of example and different embodiments or examples is combined.
Claims (16)
1. a kind of stator core, which is characterized in that the stator core is located at the periphery of rotor, and the stator core includes along institute
Circumferentially spaced multiple stator monomers of rotor are stated, each stator monomer includes:
Yoke portion, the yoke portion laminated by the yoke portion punching of multiple circumferentially extendings along the rotor along the axial direction of the rotor and
At；
Two main teeth portion, two main teeth portion are respectively engaged with the circumferential both ends in the yoke portion, and each main teeth portion is by more
A vertical with yoke portion punching and along the yoke portion the teeth portion punching radially extended is overrided to form, the inner end of the main teeth portion
Equipped with the elongated portion for protruding the main teeth portion along the axially extending of the yoke portion and at least one end；
Tooth boot portion, the tooth boot portion are overrided to form by multiple tooth boots punchings, and the tooth boot portion is equipped with the axial direction along the yoke portion
The closed slot of the tooth boot portion is penetrated through, the elongated portion is installed in the closed slot.
2. stator core according to claim 1, which is characterized in that protrude the main tooth respectively in the both ends of the elongated portion
Portion, the tooth boot portion include:
First tooth boot portion, first tooth boot portion are overrided to form by multiple first tooth boots punchings vertical with the teeth portion punching,
First tooth boot portion is equipped with the first closed slot axially through first tooth boot portion along the yoke portion, the elongated portion
One end be installed in first closed slot；
Second tooth boot portion, second tooth boot portion are overrided to form by multiple second tooth boots punchings vertical with the teeth portion punching,
Second tooth boot portion is equipped with the second closed slot axially through second tooth boot portion along the yoke portion, the elongated portion
The other end be installed in second closed slot.
3. stator core according to claim 2, which is characterized in that the elongated portion is equipped with the axial direction in the yoke portion
The upper backstop boss between first tooth boot portion and second tooth boot portion.
4. stator core according to claim 1, which is characterized in that the main teeth portion is equipped with card slot, yoke portion card
In the card slot.
5. stator core according to claim 1, which is characterized in that the yoke portion was equipped with for the week in the yoke portion
The limiting slot limited upwards to the main teeth portion, the main teeth portion are installed in the limiting slot.
6. stator core according to claim 5, which is characterized in that the limiting slot be located at the yoke portion outer peripheral surface or
On inner peripheral surface.
7. stator core according to claim 1, which is characterized in that the side table towards the rotor of the tooth boot portion
Face is formed as the combination of wherein one or two in arcwall face and plane.
8. stator core according to claim 7, which is characterized in that the arcwall face includes at least one section of arc surface.
9. stator core according to claim 1, which is characterized in that axis of at least two tooth boot portions along the rotor
Length to extension is unequal.
10. stator core according to claim 1, which is characterized in that at least one in the yoke portion and the tooth boot portion
It is a to be insulated by insulation system with the main teeth portion.
11. stator core according to claim 10, which is characterized in that the insulation system is formed as isolating separator layer,
The isolating separator layer is formed as insulating film, insulated paint or insulating cement.
12. stator core according to claim 10, which is characterized in that the insulation system is formed as the injection molded layers that insulate.
13. stator core according to claim 1, which is characterized in that the main teeth portion and the elongated portion are integrated.
14. a kind of stator characterized by comprising
Stator core according to claim 1 to 13；
Stator winding, the stator winding are wound around at least one of the main teeth portion and the yoke portion.
15. a kind of motor characterized by comprising
Rotor；
Stator according to claim 14, the stator are located at the periphery of the rotor.
16. motor according to claim 15, which is characterized in that the number of the number of pole-pairs of the rotor and the stator monomer
It measures identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611162764.6A CN106849399B (en) | 2016-12-15 | 2016-12-15 | Stator core, Stator and electrical machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611162764.6A CN106849399B (en) | 2016-12-15 | 2016-12-15 | Stator core, Stator and electrical machine |
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| Publication Number | Publication Date |
|---|---|
| CN106849399A CN106849399A (en) | 2017-06-13 |
| CN106849399B true CN106849399B (en) | 2019-03-01 |
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| CN201611162764.6A Active CN106849399B (en) | 2016-12-15 | 2016-12-15 | Stator core, Stator and electrical machine |
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| CN114665628B (en) * | 2020-12-23 | 2023-07-21 | 莱克电气股份有限公司 | Motor with a motor housing |
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| CN101710775A (en) * | 2009-12-16 | 2010-05-19 | 南京航空航天大学 | Hybrid excitation block type stator and rotor switch reluctance machine |
| JP2012023861A (en) * | 2010-07-14 | 2012-02-02 | Mitsubishi Electric Corp | Armature core and motor |
| CN202798178U (en) * | 2012-08-16 | 2013-03-13 | 富阳新马工具有限公司 | Combined type motor stator structure |
| CN204012960U (en) * | 2014-07-24 | 2014-12-10 | 广东威灵电机制造有限公司 | Stator core and stator, magneto |
| CN104734376A (en) * | 2014-12-23 | 2015-06-24 | 广东威灵电机制造有限公司 | Motor stator iron core, motor stator, motor, and manufacturing method of motor stator |
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